VFC QRS Hicap M4 Magazine 300 Rounds Color:Black Replaces your original hop up

Replaces your original hop up chamber with an easy install

Highly recommended for both advanced and starter players alike

Includes two 600rnd AK Hicap magazines

It's a lot of fun and easy to use

Includes a metal under rail to attach lasers or lights

VFC QRS Hicap M4 Magazine 300 Rounds Color:Black Replaces your original hop upVFC QRS Hicap M4 Magazine 300 Rounds. Available in tan or black. Very high quality, fits in all airsoft M4 AEG guns. Unique design that not only looks cool, ergonomically better than others. The windy wheel on these unique highcaps doesn't have to be wound as much. High quality polymer. Compatible with all airsoft M4 type guns. Highly recommended.